For the following partial ERDs, using the business rules as given, do the following for each one:

$$ put in an appropriate Primary Key $($PK$)$

$$ put in Foreign Key$($s$)($FKs; as necessary$)$

$$ put in the relationship name $($both sides!$),$ in the correct place

$$ put in maximum and minimum cardinality

$$ put in one additional attribute per entity $($your choice, but it should make sense$)$

$1.$ Sandy$$s Car Lot has several salesmen who sell a variety of used automobiles to customers. If sold, each auto is credited $($sold by$)$ to only one salesperson. A customer may buy more than one automobile, but an automobile, if sold, is sold to only one customer.